参数资料
型号: IDT70914S20PF8
厂商: IDT, Integrated Device Technology Inc
文件页数: 5/11页
文件大小: 0K
描述: IC SRAM 36KBIT 20NS 80TQFP
标准包装: 750
格式 - 存储器: RAM
存储器类型: SRAM - 双端口,同步
存储容量: 36K(4K x 9)
速度: 20ns
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
封装/外壳: 80-LQFP
供应商设备封装: 80-TQFP(14x14)
包装: 带卷 (TR)
其它名称: 70914S20PF8
IDT70914S
High-Speed 36K (4K x 9) Synchronous Dual-Port Static RAM
Military, Industrial and Commercial Temperature Ranges
DC Electrical Characteristics Over the Operating
Temperature and Supply Voltage Range (4,5) (V CC = 5V ± 10%)
70914S12
Com'l Only
70914S15
Com'l Only
Symbol
I CC
I SB1
Parameter
Dynamic Operating
Current
(Both Ports Active)
Standby Current
(Both Ports - TTL
Level Inputs)
Test Condition
CE L and CE R = V IL ,
Outputs Disabled
f = f MAX (1)
CE L and CE R = V IH
f = f MAX (1)
Version
COM'L
MIL &
IND
COM'L
MIL &
Typ. (2)
190
____
95
____
Max.
310
____
150
____
Typ. (2)
180
____
90
____
Max.
300
____
140
____
Unit
mA
mA
IND
I SB2
I SB3
I SB4
Standby Current
(One Port - TTL
Level Inputs)
Full Standby
Current (Both
Ports - All CMOS
Level Inputs)
Full Standby
Current (One
CE "A" = V IL and
CE "B" = V IH (3)
Active Port Outputs
Disabled, f=f MAX (1)
Both Ports CE R and
CE L > V CC - 0.2V
V IN > V CC - 0.2V or
V IN < 0.2V, f = 0 (2)
CE "A" < 0.2V and
CE "B" > V CC - 0.2V (3)
COM'L
MIL &
IND
COM'L
MIL &
IND
COM'L
170
____
10
____
165
220
____
15
____
210
160
____
10
____
155
210
____
15
____
200
mA
mA
mA
Port - All CMOS
V IN > V CC - 0.2V or
Level Inputs)
V IN < 0.2V, Active Port
MIL &
____
____
____
____
Outputs Disabled
f = f MAX (1)
IND
3490 tbl 06a
70914S20
Com'l &
Military
70914S25
Military
Only
Symbol
I CC
I SB1
Parameter
Dynamic Operating
Current
(Both Ports Active)
Standby Current
(Both Ports - TTL
Level Inputs)
Test Condition
CE L and CE R = V IL ,
Outputs Disabled
f = f MAX (1)
CE L and CE R = V IH
f = f MAX (1)
Version
COM'L
MIL &
IND
COM'L
MIL &
Typ. (2)
170
170
85
85
Max.
290
310
130
140
Typ. (2)
____
160
____
80
Max.
____
290
____
130
Unit
mA
mA
IND
I SB2
I SB3
I SB4
Standby Current
(One Port - TTL
Level Inputs)
Full Standby
Current (Both
Ports - All CMOS
Level Inputs)
Full Standby
Current (One
CE "A" = V IL and
CE "B" = V IH (3)
Active Port Outputs
Disabled, f=f MAX (1)
Both Ports CE R and
CE L > V CC - 0.2V
V IN > V CC - 0.2V or
V IN < 0.2V, f = 0 (2)
CE "A" < 0.2V and
CE "B" > V CC - 0.2V (3)
COM'L
MIL &
IND
COM'L
MIL &
IND
COM'L
150
150
10
10
145
200
210
15
20
190
____
140
____
10
____
____
200
____
20
____
mA
mA
mA
Port - All CMOS
V IN > V CC - 0.2V or
Level Inputs)
V IN < 0.2V, Active Port
MIL &
145
200
135
190
NOTES:
Outputs Disabled
f = f MAX (1)
IND
3490 tbl 06b
1. At f MAX , address and control lines (except Output Enable) are cycling at the maximum frequency clock cycle of 1/t CYC , using "AC TEST CONDITIONS" at input levels
of GND to 3V.
2. f = 0 means no address, clock, or control lines change. Applies only to input at CMOS level standby.
3. Port "A" may be either left or right port. Port "B" is the opposite from port "A".
4. Vcc = 5V, T A = 25°C for Typ, and are not production tested. I CC DC = 150mA (Typ).
5. Industrial temperature: for specific speeds, packages and powers contact your sales office.
5
6.42
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